Samsung TD390 User Manual page 71

Other Information
Issues
There is a dotted line on the
edge of the screen.
The picture is black and white. If you are using an AV composite input, connect the video cable (yellow) to the Green
When changing channels, the
picture freezes or is distorted
or delayed.
Sound
There is no sound or the
sound is too low at maximum
volume.
The picture is good but there
is no sound.
The speakers are making an
inappropriate noise.
RF (Cable / Aerial) Connection
The product is not receiving all
channels.
The picture is distorted: macro
block error, small block, dots,
pixelization.
Others
Purple/green rolling horizontal
bars and buzzing noise from
the product speakers with a
Component cable connection.
The picture won't display in
full screen.
A Mode Not Supported
message appears.
There is a plastic smell from
the product.
Solutions and Explanations
If the Picture Size is set to
Change the cable/satellite box resolution.
jack of Component on the product
If the product is connected to a cable box, try to reset the box. (Disconnect and then
reconnect the AC cord and wait until the cable box reboots. It may take up to 20
minutes.)
Set the output resolution of the cable box to 1080i or 720p.
First, perform the Sound Test
→ →
(Go to Menu Support
If the audio is OK, the sound problem may caused by the source or signal.
Please check the volume of the device (Cable/Sat Box, DVD, Blu-ray etc.) connected
to your product.
If you are using an external device, check the device's audio output option. (Ex. You
may need to change your cable box's audio option to HDMI if you have the box
connected to your product using an HDMI cable.)
If you are using a DVI to HDMI cable, a separate audio cable is required.
If your product has a headphone jack, make sure there is nothing plugged into it.
Reboot the connected device by disconnecting, and then reconnecting device's
power cable.
Check cable connections. Make sure a video cable is not connected to an audio
input.
For aerial or cable connections, check the signal information. A low signal level may
cause sound distortion.
Perform the Sound Test feature.
Make sure the coaxial cable is connected securely.
Please try Setup to add available channels to the channel list. Go to
→
Setup and wait for all available channels to be stored.
Verify the aerial is positioned correctly.
The compression of video contents may cause picture distortion, especially with fast
moving pictures such as sports and action movies.
A weak signal can cause picture distortion. This is not a product problem.
Remove the left and right audio connections from the Set-Top box. If the buzzing
stops, this indicates that the Set-Top box has a grounding issue. Replace the
Component video cables with an HDMI connection.
HD channels will have black bars on either side of the screen when displaying up
scaled SD (4:3) contents.
Black bars will appear on the top and bottom of the screen when you watch movies
that have aspect ratios different from your product.
Adjust the picture size options on your external device or the product to full screen.
Check the supported resolution of the product, and adjust the external device's output
resolution accordingly. Refer to the resolution settings of this manual.
This smell is normal and will dissipate over time.
English - 71
Screen Fit, change it to 16:9.
to determine if your product audio is operating properly.
→
Self Diagnosis Sound
→ →
(Menu Support
Test).
→
Self Diagnosis Sound
→
Menu System
Test)